Russian scientist Konstantin Tsiolkovsky first described the idea of a space elevator in 1895. Photo: Alamy

Chinese scientists say they have the key to building a space elevator. A what?

  • It may sound like science fiction, but the idea has been around for more than a century
Topic |   China science

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Russian scientist Konstantin Tsiolkovsky first described the idea of a space elevator in 1895. Photo: Alamy
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